564 Microscopic Life in the Ocean at the South Pole. 



7. The mass brought up by the lead from the bottom of the sea in 

 the Gulf of Erebus and Terror, at the depth of 207 fathoms, in 

 63° 40' N. lat., 55° W. long. 



The following species, occasionally with distinct green ovaries, 

 were found in this very small sample, mixed among the apparently 

 un organic sand. 



B. SILICEOUS POLYGASTRICA. 



1. Anaulus scalaris. 



2. Biddulphia ursina. 



3. Coscinodiscus Apollinis. 



4. ... cingulatus. 



5. Coseinodiscus Lunce. 



6. ... subtilis. 



7. ... velatus. 



8. Fragilaria rotundata. 



9. Gallionella Sol. 



10. ... Tympanum. 



11. Grammatophora parallela. 



12. Hemiaulus antarcticus. 



13. Bhaphoneis faciolata. 



14. Zygoseros ? australis. 



B. SILICEOUS PHYTOLITHARIA. 



15. Spongolithis acicularis. 16. Spongolithis Fustis. 



8. Sea-bottom drawn up by the lead from 270 fathom, in 63° 40' 

 S. lat., 55° W. long. 



A. SILICEOUS POLYGASTRICA. 



Achnanthes turgens. 

 Amphora libyca. 

 Anaulus scalaris. 

 Biddulphia ursina. 

 Campylodiscus Clypeus. 

 Coscinodiscus Apollinis, 



gemmifer. 



lineatus. 



Lunce. 



Oculus Tridis. 



radiolatus. 



subtilis. 

 Denlicella Icevis. 

 Discoplea Rota. 



Rotula. 

 Flustrella concentrica. 

 Fragilaria Amphiceros 



1 8. Fragilaria pinulata. 



19. Gallionella Oculus. 



20. ... Sol. 



21. ... sulcata. 



22. Grammatophora africana. 



23. ... parallela 



24. ... serpentina. 



25. Hemiaulus antarcticus. 



26. Lithocampe n. sp. 



27. Mesocena Spongolithis. 



28. Navicula elliptica. 



29. Podosphenia cuneata. 



30. Pyxidicula hellenica ? 



31. Rhaphone'is fasciolata. 



32. Rhizosolenia Calyptra. 



Ornithoglossa. 



33. 



34. Siauroptera aspera. 



